The Multiquip 8972125400 is a genuine OEM Intake Manifold Gasket DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator series. As a direct OEM replacement, this gasket is manufactured to the exact material grade and compression specifications required by the 4JG1 engine, ensuring a proper seal between the intake manifold and the cylinder head. Sourced directly through Multiquip's authorized parts network, 8972125400 is the correct part for DCA-45USJ machines and ships as a verified OEM component. If your generator is showing signs of rough running, air leaks, or reduced power output, this gasket is a straightforward, confidence-inspiring fix.
Key Features
- OEM-Grade Sealing Material — Manufactured to the precise compression and heat-resistance specs required by the 4JG1 diesel engine, delivering a consistent, leak-free seal under sustained load.
- Direct Drop-In Replacement — Matches the original manifold bolt pattern and port geometry of the DCA-45USJ, so installation follows standard engine service procedures without improvisation.
- Confirmed Fitment for DCA-45USJ — Engineered specifically for the DCA-45USJ ultra-silent generator platform; no guesswork on compatibility.
- Restores Full Engine Breathing — A failed or compressed intake manifold gasket allows unmetered air into the intake tract, disrupting the air-fuel ratio and degrading generator output; this replacement restores proper combustion efficiency.
- Fuel System Integrity — A correctly sealed intake manifold is critical to stable engine operation and accurate load response on jobsite power equipment — using the OEM-spec gasket protects both engine longevity and generator performance.
The intake manifold gasket forms the critical seal between the intake manifold and the engine's cylinder head, ensuring that the precise volume of air drawn into each combustion cycle is fully controlled and free from unintended leaks. On a diesel generator like the DCA-45USJ, any breach in this seal allows unmetered air to enter the intake tract, leaning out the combustion mixture and causing rough idle, power loss, increased fuel consumption, or hard starting. Over time, heat cycling and mechanical vibration can compress or crack the original gasket material, making periodic inspection and timely replacement an essential part of engine maintenance.
For help confirming fitment or placing your order, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 8972125400 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Intake Manifold Gasket DCA-45USJ 4JG1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-45USJ | DCA-45USJ |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
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